120.83% is the change from 240 to 530
Calculation steps:
[( 530 - 240 ) ÷ 240] x 100 = 120.83%
Formula
Percentage change = [(530 - 240) / 240] x 100
Subtract the new number by the original number
530 - 240 = 290
290 ÷ 240 = 1.2083333333333333
1.2083333333333333 x 100 = 120.83%